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This is a preliminary study to investigate the effects of climate change on wader migration as a part of long-term ecological research (LTER). Wader censuses were conducted 35 times at intertidal mudflat of Suncheon bay between April 2010 and March 2011. A total of 32,822 waders belonging to 28 sp...

This is a preliminary study to investigate the effects of climate change on wader migration as a part of long-term ecological research (LTER). Wader censuses were conducted 35 times at intertidal mudflat of Suncheon bay between April 2010 and March 2011. A total of 32,822 waders belonging to 28 species was recorded. Among them, Calidris alpina (51.0%) was the most abundant, followed by Xenus cinereus (14.8%), Limosa lapponica (9.40%), Tringa nebularia (5.27%). From the arrival and departure dates of nine dominant species, we confirmed that the timing of spring migration was from early April to late May and that of autumn migration was from late July to early November. During the spring migration, waders of 20 species and 3,857 individuals counted, and those of 24 species and 5,036 individuals did in autumn migration. Arrival dates distributed between 2 April to 5 May, and between 29 July to 7 August in autumn. Departure date was between 16 May to 21 May in spring and between 9 October to 5 November in autumn. Peak timing of migration was from 5 May to 16 May in spring and from 7 August to 9 October in autumn.

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